CN211661908U

CN211661908U - Spanner

Info

Publication number: CN211661908U
Application number: CN201922417901.1U
Authority: CN
Inventors: 王小俊; 李鑫; 白素平
Original assignee: China Second Metallurgy Group Co Ltd
Current assignee: China Second Metallurgy Group Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-13
Anticipated expiration: 2029-12-27

Abstract

The utility model provides a wrench, wrench includes: the device comprises an annular body, a handle, three screws and three abutting mechanisms; three threaded holes are formed in the annular body at intervals, three screws penetrate through the three threaded holes in a one-to-one correspondence mode and are partially arranged inside the annular body, and each screw is in threaded connection with the corresponding threaded hole; the three abutting mechanisms are correspondingly arranged at the end parts of the three screw rods arranged in the annular body one by one, and the three screw rods are used for abutting against three spaced side walls of the hexagonal nut through the corresponding abutting mechanisms so as to clamp the hexagonal nut; the handle sets up in the outer wall of annular body. The utility model discloses in, every screw rod is all through the butt mechanism that corresponds to the hexagon nut butt in order to press from both sides the hexagon nut tightly, has improved stability and security, has avoided hexagon nut's drunkenness and rotation to only need rotate the handle and can twist hexagon nut, simple and convenient, the operation is quick, can also be adapted to the hexagon nut of different external diameters, has enlarged application range, and this spanner can also reuse.

Description

Spanner

Technical Field

The utility model relates to a mechanical equipment technical field particularly, relates to a spanner.

Background

In building and industrial construction, the bolt plays a very big role, the bolt can not be separated in equipment installation, factory building structures and connection of various components, the fastening of the bolt can be provided with various wrenches, such as hydraulic pressure, torque, manual operation and the like, and various wrenches, opening wrenches, universal wrenches and the like are adopted, wherein the manual wrenches are most widely applied. However, the manual wrench is slow to operate, needs to change the position of the hand continuously, has insufficient clamping force on the nut, is easy to move up and down, and has poor stability.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a spanner aims at solving among the prior art manual spanner and need incessantly change the hand position and the relatively poor problem of stability when using.

The utility model provides a wrench, wrench includes: the device comprises an annular body, a handle, three screws and three abutting mechanisms; the annular body is provided with three threaded holes at intervals, three screws penetrate through the three threaded holes in a one-to-one correspondence manner and are partially arranged in the annular body, and each screw is in threaded connection with the corresponding threaded hole; the three abutting mechanisms are correspondingly arranged at the end parts of the three screw rods arranged in the annular body one by one, and the three screw rods are used for abutting against three spaced side walls of the hexagonal nut through the corresponding abutting mechanisms so as to clamp the hexagonal nut; the handle sets up in the outer wall of annular body.

Further, in the above wrench, each of the abutment mechanisms includes: the fastening mechanism and the two abutting rods; the first end of each abutting rod is rotatably arranged at the end part of the corresponding screw rod arranged in the annular body, so that the angle between the two abutting rods can be adjusted, and the second end of each abutting rod abuts against any one of three spaced side walls of the hexagonal nut; the fastening mechanism is used for fastening the two abutting rods so as to keep the included angle between the two abutting rods.

Further, in the above wrench, the fastening mechanism includes: two fastening components; wherein, two fastening components set up with two butt pole one-to-one, and every fastening component all is used for fastening the butt pole that corresponds.

Furthermore, in the wrench, two through holes are formed in the end part of each screw rod, which is arranged in the annular body, in parallel along the radial direction, and through holes are formed in two abutting rods in each abutting mechanism along the radial direction; each fastening assembly comprises: a fastening bolt and a fastening nut; each fastening bolt sequentially penetrates through one of the penetrating holes and the through hole of one of the abutting rods and is in threaded connection with the fastening nut.

Further, in the wrench, a connecting nut is arranged on a portion, which is arranged outside the annular body, of each screw, and the connecting nut is in contact with the outer side wall of the annular body.

Further, the above wrench further comprises: three anti-falling mechanisms; the anti-falling mechanisms are arranged in one-to-one correspondence with the screws so as to prevent the corresponding screws from being separated from the annular body.

Furthermore, in the wrench, a connecting body is arranged at the end part of each screw rod, which is arranged outside the annular body; each anti-drop mechanism all includes: an elastic member in a compressed state; the elastic piece is arranged between the connecting body and the outer side wall corresponding to the annular body.

Further, in the above wrench, the number of the handles is at least three, and each of the handles is uniformly disposed on the outer sidewall of the ring body along the circumferential direction of the ring body.

Further, in the above wrench, the ring body has a regular hexahedral shape.

Furthermore, in the wrench, the three screws are respectively arranged on the three spaced outer side walls of the annular body; the handle is three, and three handle sets up respectively in the other three lateral wall of annular body.

In the utility model, each screw rod is abutted against the corresponding side wall of the hexagon nut through the corresponding abutting mechanism, the three screw rods are respectively corresponding to the three spaced side walls of the hexagon nut, the hexagon nut is clamped through the abutting force applied to the nut by each screw rod and the corresponding abutting mechanism, the clamping force to the hexagon nut is ensured, the ring body and the hexagon nut are relatively fixed, the stability and the safety are improved, the moving and the rotation of the hexagon nut are avoided, the ring body can be driven to rotate by only rotating the handle so as to screw the hexagon nut, the operation is simple and convenient, the hand position is not required to be changed for many times, the operation is rapid, the labor efficiency is improved, the problems that the hand position is required to be changed continuously and the stability is poor when the hand wrench in the prior art is used are solved, the utility model can also be suitable for the hexagon nuts with different outer diameters, the application range, the spanner can be repeatedly used and is convenient to carry.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a wrench according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a wrench according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a wrench according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 and 3, a preferred structure of a wrench according to an embodiment of the present invention is shown. As shown, the wrench includes: the device comprises an annular body 1, a handle 2, three screws 3 and three abutting mechanisms 4. Wherein, the inside cavity of ring body 1 has formed an annular space, and three screw hole has all been had a certain distance between two arbitrary adjacent screw holes to ring body 1 offered at interval, and is preferred, and the spaced distance equals between two arbitrary adjacent screw holes.

In specific implementation, the ring body 1 may be a circular ring, a hexagon, or the like, and the shape of the ring body 1 is not limited in this embodiment.

Three threaded holes are correspondingly penetrated through by the three screws 3 one by one, namely the three screws 3 correspond to the three threaded holes one by one, corresponding threaded holes are penetrated through by each screw 3, and each screw 3 is in threaded connection with the corresponding threaded hole, so that the three screws 3 are relatively fixed with the annular body 1. The three screws 3 are all partially arranged inside the annular body 1 and partially arranged outside the annular body 1, specifically, after the corresponding threaded holes are drilled, one end of each screw 3 is arranged in the annular space inside the annular body 1, and the other end of each screw 3 is arranged outside the annular body 1.

In particular, the end of each screw 3, which is placed outside the annular body 1, may be provided with a handrail, which facilitates the screwing of the screw 3 by the operator.

The three abutting mechanisms 4 are arranged at the end parts of the three screws 3 arranged in the annular body 1 in a one-to-one correspondence manner, namely, the three abutting mechanisms 4 are in one-to-one correspondence with the three screws 3, and each abutting mechanism 4 is arranged at the end part of the corresponding screw 3 arranged in the annular body 1. The three screws 3 are all used for abutting against three spaced side walls of the hexagonal nut 5 through the corresponding abutting mechanisms 4 so as to clamp the hexagonal nut 5. Specifically, hexagonal nut 5 is arranged in the annular space inside annular body 1, and three screw rods 3 are corresponding with the three looks spaced lateral walls of hexagonal nut 5, and every screw rod 3 all butts in the lateral wall that hexagonal nut 5 corresponds through the butt mechanism 4 butt that corresponds, then three screw rods 3 and hexagonal nut 5 relatively fixed, annular body 1 and hexagonal nut 5 relatively fixed promptly.

In specific implementation, the included angle between any two corresponding screws 3 in the three screws 3 is 120 degrees.

Handle 2 sets up in the outer wall of annular body 1, and the staff can rotate annular body 1 through handle 2, and then drives three screw rod 3 and twist hexagonal nut 5 and move, is convenient for rotate. In specific implementation, the handle 2 is welded with the outer wall of the annular body 1.

It can be seen that, in the embodiment, each screw 3 abuts against the corresponding side wall of the hexagon nut 5 through the corresponding abutting mechanism 4, the three screws 3 respectively correspond to the three spaced side walls of the hexagon nut 5, the hexagon nut 5 is clamped tightly through the abutting force applied to the nut by each screw 3 and the corresponding abutting mechanism 4, the clamping force to the hexagon nut 5 is ensured, the annular body 1 and the hexagon nut 5 are relatively fixed, the stability and the safety are improved, the play and the rotation of the hexagon nut are avoided, the annular body 1 can be driven to rotate to screw the hexagon nut 5 only by rotating the handle 2, the operation is simple and convenient, the hand position does not need to be changed for many times, the operation is fast, the labor efficiency is improved, the problems that the hand position of the manual wrench in the prior art needs to be changed continuously and the stability is poor are solved, the wrench can be adapted to the hexagon nuts 5 with different outer diameters, the application range is enlarged, and the wrench can be repeatedly used and is convenient to carry.

Referring to fig. 1, in the above embodiment, each abutment mechanism 4 may include: a fastening mechanism and two abutment bars 41. Wherein, a screw rod 3 corresponds to two abutting rods 41, a first end of each abutting rod 41 is rotatably disposed at an end of the corresponding screw rod 3 disposed in the annular body 1, that is, two abutting rods 41 are disposed at an end of each screw rod 3 disposed in the annular body 1, and each abutting rod 41 and the end of the corresponding screw rod 3 are rotatable so that an angle between the two abutting rods 41 is adjustable. The second end of each abutting rod 41 abuts against any one of the three spaced sidewalls of the hexagonal nut 5, specifically, each screw rod 3 corresponds to one of the three spaced sidewalls of the hexagonal nut 5, and then the second ends of the two abutting rods 41 corresponding to the screw rods 3 abut against the corresponding sidewalls.

In a specific implementation, referring to fig. 1, an angle between the two abutting rods 41 may be 0 °, that is, the two abutting rods 41 abut against each other. Preferably, the overall radial distance of the two abutting rods 41 after being tightly attached in parallel is matched with the radial distance of the corresponding screw 3, so that the outer side of the two abutting rods 41 after being tightly attached in parallel is prevented from protruding, and the overall appearance is prevented from being affected.

Referring to fig. 2, the angle between the two abutting rods 41 may also be greater than 0 °, and it should be noted that the two abutting rods 41 need to abut against the corresponding side wall of the hexagon nut 5, so that the angle between the two abutting rods 41 cannot cause the two abutting rods 41 to be separated from the corresponding side wall of the hexagon nut 5, in particular, the angle between the two abutting rods 41 may be determined according to the width and actual condition of the side wall of the hexagon nut 5, and this embodiment does not limit this.

The fastening mechanism is used for fastening the two abutting rods 41 after the angle between the two abutting rods 41 is adjusted, so that the two abutting rods 41 maintain the included angle therebetween.

It can be seen that, in this embodiment, when hexagon nut 5's external diameter is less, can be 0 with the angle modulation between two buttjunction poles 41, through the lateral wall butt that two buttjunction poles 41 correspond hexagonal nut 5, can realize pressing from both sides tight hexagon nut 5, when hexagon nut 5's external diameter is great, through adjusting the angle between two buttjunction poles 41, make the lateral wall that two buttjunction poles 41 correspond with hexagon nut 5 form triangular distribution, two buttjunction poles 41 have been strengthened the clamping action to hexagon nut 5, the clamping effect has been improved, and, fastening device's setting can make the contained angle between two buttjunction poles 41 keep, the rotation of two buttjunction poles 41 has been avoided.

With continued reference to fig. 1, in the above embodiment, the fastening mechanism may comprise: two fastening components. Wherein, two fastening components and two butt joint pole 41 one-to-one settings, every fastening component all is used for fastening the butt joint pole 41 that corresponds.

Two penetrating holes are formed in the end portion, arranged in the annular body 1, of each screw rod 3 in the radial direction in parallel, and through holes are formed in two abutting rods 41 in each abutting mechanism 4 in the radial direction. Specifically, two through holes are provided in parallel at the end of each screw 3, and each through hole penetrates the screw 3 in the radial direction of the screw 3, which is perpendicular to the longitudinal direction of the screw 3. A first end of each abutting rod 41 is provided with a through hole, the through hole penetrates through the abutting rod 41 along a radial direction of the abutting rod 41, and the radial direction is perpendicular to the length direction of the abutting rod 41.

Each fastening assembly comprises: a fastening bolt and a fastening nut. Wherein, each fastening bolt all wears to establish one of them wear to establish hole and one of them through-hole of butt joint pole 41 in proper order and with fastening nut looks spiro union. Specifically, since two fastening assemblies correspond to two abutting rods 41 one to one, the fastening bolt in one fastening assembly corresponds to one abutting rod 41. The fastening bolt is fastened after the position of the corresponding abutting rod 41 is adjusted, so that the abutting rod 41 is fixed at the position, and the included angle between the two abutting rods 41 is kept still.

It can be seen that in this embodiment, the fastening mechanism is simple in structure, easy to implement, and can be reused.

With continued reference to fig. 1, in the above embodiment, the portion of each screw 3 located outside the ring body 1 is provided with a coupling nut 6, and the coupling nut 6 is in contact with the outer side wall of the ring body 1. Specifically, the coupling nut 6 is screwed with the corresponding screw rod 3. The strength and the rigidity of each screw rod 3 can be effectively enhanced by arranging the connecting nut 6, and the clamping of each screw rod 3 to the hexagonal nut 5 is ensured.

With continued reference to fig. 1, in the above embodiments, the wrench may further include: three anti-falling mechanisms. Each anti-falling mechanism is arranged in one-to-one correspondence with each screw rod 3, and each anti-falling mechanism is used for preventing the corresponding screw rod 3 from being separated from the annular body 1. Even the clamping force that the screw rod 3 applyed to hexagon nut 5 is too big, also can guarantee being connected between screw rod 3 and the ring body 1, prevent that screw rod 3 is not hard up and the drunkenness and then break away from ring body 1 for ring body 1, and then guarantee to the stable clamp of hexagon nut 5.

The end part of each screw rod 3, which is arranged outside the annular body 1, is provided with a connecting body 8, and the connecting body 8 can be used as a handrail, so that a worker can conveniently screw the screw rods 3.

Each of the fall-off prevention mechanisms may include: and the elastic piece 7 is in a compressed state, and the elastic piece 7 is arranged between the connecting body 8 and the outer side wall corresponding to the annular body 1. Specifically, a first end of the elastic member 7 is connected to the connecting body 8 of the screw rod 3, and a second end of the elastic member 7 is connected to an outer side wall of the ring body 1 corresponding to the screw rod 3. Can link together the connector 8 of every screw rod 3 and the lateral wall that the ring body 1 corresponds through setting up elastic component 7 to, each elastic component 7 all is compression state, can prevent that the screw thread between the screw hole of screw rod 3 and ring body 1 is not hard up, plays the effect of carrying out the restriction to screw rod 3, avoids screw rod 3 and ring body 1 not hard up and the phase separation.

With continued reference to fig. 1 to 3, in each of the above embodiments, there are at least three handles 2, and each handle 2 is uniformly disposed on the outer side wall of the ring body 1 along the circumferential direction of the ring body 1, so as to facilitate the operation of the worker, and is simple and convenient.

Preferably, the annular body 1 has a right parallelepiped shape. More preferably, three screws 3 are respectively disposed on three spaced outer sidewalls of the ring body 1, the number of the handles 2 is three, and the three handles 2 are respectively disposed on the other three outer sidewalls of the ring body 1. Specifically, three screws 3 and three handles 2 are respectively provided on six side walls of the ring body 1, and the three screws 3 and the three handles 2 are provided at intervals.

The use of the wrench is described in connection with fig. 1 to 3: during the use, according to the external diameter of hexagon nut 5, adjust the angle between two butt joint poles 41 that every screw rod 3 department corresponds, after adjusting the angle, every fastening bolt all wears to establish corresponding wear-out hole on the screw rod 3 and corresponds the through-hole of butt joint pole 41 after with fastening nut looks spiro union. And then according to the outer diameter of the hexagonal nut 5, the three screws 3 are screwed to adjust the positions of the end parts of the three screws 3 in the annular body 1, so that the second ends of the two butting rods 41 corresponding to each screw 3 are all abutted against the side wall corresponding to the hexagonal nut 5, and the three spaced side walls of the hexagonal nut 5 are clamped. Then, the handle 2 is rotated, and the hexagonal nut 5 can be screwed or unscrewed.

In summary, in the present embodiment, each screw 3 abuts against the corresponding sidewall of the hexagonal nut 5 through the corresponding abutting mechanism 4, the three screws 3 respectively correspond to three spaced sidewalls of the hexagonal nut 5, the hexagonal nut 5 is clamped by the abutting force applied to the nut by each screw 3 and the corresponding abutting mechanism 4, the clamping force to the hexagonal nut 5 is ensured, so that the annular body 1 and the hexagon nut 5 are relatively fixed, the stability and the safety are improved, the play and the rotation of the hexagon nut are avoided, then only need rotate handle 2 and can drive the ring body 1 and rotate and then twist hexagon nut 5 and move, simple and convenient need not to change the hand position many times, operates fast, has improved labor efficiency, can also be adapted to the hexagon nut 5 of different diameters, has enlarged application range, and this spanner can reuse, portable.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A wrench, comprising: the device comprises an annular body (1), a handle (2), three screw rods (3) and three abutting mechanisms (4); wherein the content of the first and second substances,

three threaded holes are formed in the annular body (1) at intervals, the three threaded rods penetrate through the three threaded holes in a one-to-one correspondence mode and are partially arranged in the annular body (1), and each threaded rod (3) is in threaded connection with the corresponding threaded hole;

the three abutting mechanisms (4) are correspondingly arranged at the end parts of the three screws (3) arranged in the annular body (1) one by one, and the three screws (3) are abutted against three spaced side walls of the hexagonal nut (5) through the corresponding abutting mechanisms (4) so as to clamp the hexagonal nut (5);

the handle (2) is arranged on the outer wall of the annular body (1).

2. A wrench as claimed in claim 1, wherein each abutment mechanism (4) comprises: a fastening mechanism and two abutment bars (41); wherein the content of the first and second substances,

the first end of each abutting rod (41) is rotatably arranged at the end part of the corresponding screw (3) arranged in the annular body (1) so that the angle between the two abutting rods (41) can be adjusted, and the second end of each abutting rod (41) abuts against any one of three spaced side walls of the hexagonal nut (5);

the fastening mechanism is used for fastening the two abutting rods (41) so as to keep the two abutting rods (41) at an included angle.

3. The wrench of claim 2, wherein the tightening mechanism comprises: two fastening components; wherein the content of the first and second substances,

the two fastening components and the two abutting rods (41) are arranged in a one-to-one correspondence mode, and each fastening component is used for fastening the corresponding abutting rods (41).

4. The wrench according to claim 3,

two penetrating holes are formed in the end part, arranged in the annular body (1), of each screw (3) in a radial direction in parallel, and through holes are formed in two abutting rods (41) in each abutting mechanism (4) in a radial direction;

each of the fastening assemblies includes: a fastening bolt and a fastening nut; each fastening bolt sequentially penetrates through one of the penetrating holes and one of the abutting rods and is in threaded connection with the fastening nut.

5. A wrench as claimed in claim 1, wherein the portion of each screw (3) located outside the ring is provided with a coupling nut (6), said coupling nut (6) being in contact with the outer side wall of said ring (1).

6. The wrench of claim 1, further comprising: three anti-falling mechanisms; wherein the content of the first and second substances,

each anti-falling mechanism is arranged in one-to-one correspondence with each screw (3) to prevent the corresponding screw (3) from being separated from the annular body (1).

7. The wrench of claim 6,

a connecting body (8) is arranged at the end part of each screw (3) arranged outside the annular body (1);

each of the fall-off prevention mechanisms includes: an elastic member (7) in a compressed state; the elastic piece (7) is arranged between the connecting body (8) and the outer side wall corresponding to the annular body (1).

8. A wrench as claimed in claim 1, wherein said number of said handles (2) is at least three, and each of said handles (2) is uniformly arranged on the outer side wall of said annular body (1) along the circumference of said annular body (1).

9. A wrench as claimed in claim 1, wherein said annular body (1) is of right-parallelepiped shape.

10. The wrench of claim 9,

the three screw rods (3) are respectively arranged on three outer side walls of the annular body (1) at intervals;

the number of the handles (2) is three, and the three handles (2) are respectively arranged on the other three outer side walls of the annular body (1).